.z-tab {
    position: relative;
}
.z-tab li:hover {
    color: #29B572;
}

.z-tab .active {
    color: #29B572;
}

.z-tab .tips {
    position: absolute;
    background: #29B572;
    height: 4px;
    margin-left:30px;
    margin-top:45px;
    display: none;
    left:20px;
}
